Manual Transaxle Troubleshooting; Troubleshooting Guide - Mazda 626 MX-6 Workshop Manual

TROUBLESHOOTING GUIDE

Problem
Change lever won't
Seized change lever ball
shift smoothly, or is
Seized change control rod joint
hard to shift
Bent change control rod
Too much play in Worn change control rod bushing
change lever Weak spring of ball or change lever
Worn bushing of ball or change lever
Difficult to shift
Bent change rod
No grease in transmission control
Insufficient oil
Deterioration of oil quality
Wear or play or shift fork or shift rod
Wear or synchronizer ring
Wear of synchronizer cone of gear
Bed contact of synchronizer ring and cone of
gear
Excessive longitudinal play of gears
Wear of bearing
Wear of synchronizer key spring
Excessive primary shaft gear bearing preload
Improperly adjusted change guide plate
Won't stay in gear Bent change control rod
Worn change control rod bushing
Weak change lever ball spring
Improperly installed extension bar
Wear of shift fork
Wear of clutch hub
Worn clutch hub sleeve
Worn gear sliding part of both shaft gears
Worn gear sliding part of each gear
Worn steel sliding groove of control end
Weak spring pressing against steel ball
Excessive thrust clearance
Worn bearing
Improperly installed engine mount
Abnormal noise Insufficient oil
Deterioration of oil quality
Worn bearing
Worn gear sliding surface of both shaft gears
Wear of sliding surfaces of gears
Excessive gear backlash
Damaged gear teeth
Foreign material in gears
Damaged differential gear, or excessive backlash
TROUBLESHOOTING GUIDE
Possible cause
626, MX-6 Revised 10/87
Remedy Page
Replace 7 A—84
Replace
7A—84
Replace 7A—84
Replace 7A—84
7 A—84
Replace
Replace
7 A—84
Replace 7 A -8 4
Lubricate with grease 7A—84
7 A—8
Add oil
Replace with oil of 7 A -8
specified quality
Replace 7A—17,48
7A—26,59
Replace
Replace 7A—26,59
7A—26,59
Replace
Replace 7 A—21,52
7 A—21,52
Adjust or replace
Replace 7 A—21,52
7A—36,67
Adjust
7 A -1 9
Adjust
7 A—84
Replace
7 A—84
Replace
Replace 7 A—84
7 A—84
Tighten
Replace 7A—21,48
Replace 7A—26,59
7A—26,59
Replace
7A—25,57
Replace
7 A—25,57
Replace
Replace 7A—17,48
7A—17,48
Replace
7A—32,65
Replace
7 A—21,52
Replace
Tighten 7 A -7 8
7 A—8
Add oil
7 A -8
Replace
7A—21,57
Adjust or replace
7 A—21,57
Replace
7 A—21,52
Replace
7 A—21,52
Replace
7A—25,57
Replace with oil of
specified quality
7 A—21,52
Replace
7A—29,62
Adjust or replace
76G07A-622
7A
7A -7